20781342 (number)

20781342 is an even 8-digits composite number following 20781341 and preceding 20781343. In scientific notation, it is written as 2.0781342 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 6518400 positive integers (up to 20781342) that are relatively prime to 20781342.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand three hundred forty-two

Notation

Scientific notation 2.0781342 × 10^7
Engineering notation 2.0781342 × 10^6

Prime Factorization of 20781342

Prime Factorization 2 × 9 × 29 × 971 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20781342
Product of the distinct prime numbers

The prime factorization of 20781342 is 2 × 9 × 29 × 971 × 41. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781342)

Multiplication

n×y
n×2 41562684
n×3 62344026
n×4 83125368
n×5 103906710

Division

n÷y
n÷2 10390671
n÷3 6927114
n÷3 5195335.5
n÷5 4156268.4

Exponentiation

ny
n2 431864175320964
n3 8.9747171248929E+21
n4 1.8650666592566E+29
n5 3.8758588098808E+36

Nth Root

y√n
2√n 4558.6557229078
3√n 274.93151793385
4√n 67.517817818023
5√n 29.076003865749

Divisors of 20781342

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20781341
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20781342 can be divided by 32 positive divisors. The sum of these divisors (counting 20781342) is 1, the average is 0.03125.

Base conversion 20781342

Base System Value
2 Binary 1001111010001100100011110
3 Ternary 1110002210122100
4 Quaternary 1033101210132
5 Quinary 20310000332
6 Senary 2021225530
8 Octal 117214436
10 Decimal 20781342
12 Duodecimal 6b622a6
16 Hexadecimal 13d191e
20 Vigesimal 69hd72
36 Base36 cdezi

Cryptographic Hash Functions

md5 5d467624bc02e616c939b59e9ae37071
sha1 742131e57ecdb0099e2a4c9120921c009ab79f0b
sha256 22ad22c572098523ad74ee1837aee56e4f8eda37eddd7c6110d8e5c905df9e3d
sha512 bc69b35bdff12cbbf71e5ad24926910658da132613bf0aae047e0a504aef616538385df903d58987297e5a5788b5bfbbdc80ccf8d83b5770a6710d04c374fe16
ripemd-160 e72b997b23f66eea8a0724a504b393a1d7c286e9

20781342 as geometric shapes

Circle

Radius = n
Diameter 41562684
Circumference 130573022.71787
Area 1.356741320537E+15

Sphere

Radius = n
Volume 3.759320718348E+22
Surface area 5.4269652821478E+15
Circumference 130573022.71787

Square

Length = n
Perimeter 83125368
Area 431864175320964
Diagonal 29389255.700714

Cube

Length = n
Surface area 2591185051925784
Volume 8.9747171248929E+21
Space diagonal 35994340.193465

Equilateral Triangle

Length = n
Perimeter 62344026
Area 1.8700267340619E+14
Altitude 17997170.096733

Triangular Pyramid

Length = n
Surface area 1.8700267340619E+14
Volume 1.0576805563738E+21
Height 9796418.5669045